US3922953A - System for limiting the force of reaction in hydraulic servo-control devices - Google Patents

System for limiting the force of reaction in hydraulic servo-control devices Download PDF

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Publication number
US3922953A
US3922953A US415168A US41516873A US3922953A US 3922953 A US3922953 A US 3922953A US 415168 A US415168 A US 415168A US 41516873 A US41516873 A US 41516873A US 3922953 A US3922953 A US 3922953A
Authority
US
United States
Prior art keywords
reaction
pressure
actuating member
servo
limiting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US415168A
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English (en)
Inventor
Gunther Strauff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Langen and Co
Original Assignee
Langen and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Langen and Co filed Critical Langen and Co
Application granted granted Critical
Publication of US3922953A publication Critical patent/US3922953A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/061—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle provided with effort, steering lock, or end-of-stroke limiters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2564—Plural inflows
    • Y10T137/2567—Alternate or successive inflows

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Power Steering Mechanism (AREA)
US415168A 1972-11-16 1973-11-12 System for limiting the force of reaction in hydraulic servo-control devices Expired - Lifetime US3922953A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2256072A DE2256072C3 (de) 1972-11-16 1972-11-16 Anordnung zur Begrenzung der Reaktionskraft bei hydraulischen Servolenkeinrichtungen

Publications (1)

Publication Number Publication Date
US3922953A true US3922953A (en) 1975-12-02

Family

ID=5861841

Family Applications (1)

Application Number Title Priority Date Filing Date
US415168A Expired - Lifetime US3922953A (en) 1972-11-16 1973-11-12 System for limiting the force of reaction in hydraulic servo-control devices

Country Status (6)

Country Link
US (1) US3922953A (ja)
JP (1) JPS4980727A (ja)
DE (1) DE2256072C3 (ja)
FR (1) FR2207052B1 (ja)
GB (1) GB1448270A (ja)
IT (1) IT995987B (ja)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954149A (en) * 1974-07-27 1976-05-04 Langen & Co. Hydraulic pressure fluid control system for controlling the displacements of a double-acting servo-motor
US4022110A (en) * 1974-12-21 1977-05-10 Langen & Co. Hydraulic pressure-regulating system
DE2707991A1 (de) * 1976-02-27 1977-09-01 Citroen Sa Mechanische betaetigungseinrichtung mit druckmittelunterstuetzung
US4123964A (en) * 1972-12-18 1978-11-07 Langen & Co. Pressure control means for distribution of medium from a reservoir or storage vessel
US4179980A (en) * 1976-04-03 1979-12-25 Aisin Seiki Kabushiki Kaisha Hydraulic brake booster
US4273030A (en) * 1977-03-08 1981-06-16 Daimler-Benz Aktiengesellschaft Pressure relief valve for the working pressure of a servo-steering system
US4344284A (en) * 1979-02-02 1982-08-17 Zahnradfabrik Friedrichshafen, Ag. Hydraulic auxiliary power steering
US4385493A (en) * 1980-08-06 1983-05-31 Zahnradfabrik Friedrichshafen, Ag Hydraulically assisted steering device
US4438827A (en) * 1981-06-05 1984-03-27 Zahnradfabrik Friedrichshafen, Ag Servo steering, especially for motor vehicles
US4555975A (en) * 1981-06-05 1985-12-03 Zahnradfabrik Friedrichshafen, Ag. Hydraulic steering
US4590965A (en) * 1983-07-23 1986-05-27 Zahnradfabrik Friedrichshafen, Ag. Pressure agent control arrangement for auxiliary power steering mechanisms
US4594936A (en) * 1983-11-18 1986-06-17 Bendiberica S.A. Hydraulic distributor for a servomechanism with reaction on the input component
US4784041A (en) * 1985-08-09 1988-11-15 Zahnradfabrik Friedrichshafen, Ag. Servosteering pressure control device
US4805714A (en) * 1986-01-16 1989-02-21 Toyoda Koki Kabushiki Kaisha Power steering system with hydraulic reaction
US4815551A (en) * 1984-10-05 1989-03-28 Zahnradfabrik Friedrichshafen, Ag Servosteering, especially for motor vehicles
US5497692A (en) * 1995-03-02 1996-03-12 Caterpillar Inc. Electrohydraulic steering system
US5644967A (en) * 1994-06-28 1997-07-08 Mercedes-Benz Ag Servo valve arrangement
US6068077A (en) * 1995-12-12 2000-05-30 Zf Friedrichshafen Ag Power steering gear intended in particular for motor vehicles
US20160116073A1 (en) * 2013-07-05 2016-04-28 Robert Bosch Automotive Steering Gmbh Piston valve

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2518337A1 (de) * 1975-04-25 1976-11-04 Bosch Gmbh Robert Hydraulische servolenkung fuer kraftfahrzeuge
ES472088A1 (es) * 1978-07-27 1979-03-16 Bendiberica Sa Perfeccionamientos en distribuidores hidraulicos rotativos.

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2063937A (en) * 1931-01-10 1936-12-15 John J Kundig Fluid pressure actuator
US2395811A (en) * 1942-02-21 1946-03-05 Vickers Inc Power transmission
US2468960A (en) * 1944-05-10 1949-05-03 John S Case Valve device
US2554843A (en) * 1945-07-31 1951-05-29 Olive Bertha Staude Proportional pressure doubleacting power amplifier
US2707375A (en) * 1951-07-02 1955-05-03 Gemmer Mfg Co Manual and power actuated steering gear
US3444785A (en) * 1966-06-24 1969-05-20 Daimler Benz Ag Servo-steering mechanism for motor vehicles
US3473443A (en) * 1966-03-26 1969-10-21 Danfoss As Safety valve for hydraulic system
US3605562A (en) * 1967-11-20 1971-09-20 Kai Ludvig Larsen Hydraulic relay
US3693747A (en) * 1969-10-13 1972-09-26 Honda Motor Co Ltd Apparatus for controlling the operation of power steering apparatus in a vehicle
US3719124A (en) * 1970-02-28 1973-03-06 Daimler Benz Ag Servo-steering system for vehicles
US3800670A (en) * 1969-10-21 1974-04-02 Caterpillar Tractor Co High pressure implement hydraulic circuit

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2063937A (en) * 1931-01-10 1936-12-15 John J Kundig Fluid pressure actuator
US2395811A (en) * 1942-02-21 1946-03-05 Vickers Inc Power transmission
US2468960A (en) * 1944-05-10 1949-05-03 John S Case Valve device
US2554843A (en) * 1945-07-31 1951-05-29 Olive Bertha Staude Proportional pressure doubleacting power amplifier
US2707375A (en) * 1951-07-02 1955-05-03 Gemmer Mfg Co Manual and power actuated steering gear
US3473443A (en) * 1966-03-26 1969-10-21 Danfoss As Safety valve for hydraulic system
US3444785A (en) * 1966-06-24 1969-05-20 Daimler Benz Ag Servo-steering mechanism for motor vehicles
US3605562A (en) * 1967-11-20 1971-09-20 Kai Ludvig Larsen Hydraulic relay
US3693747A (en) * 1969-10-13 1972-09-26 Honda Motor Co Ltd Apparatus for controlling the operation of power steering apparatus in a vehicle
US3800670A (en) * 1969-10-21 1974-04-02 Caterpillar Tractor Co High pressure implement hydraulic circuit
US3719124A (en) * 1970-02-28 1973-03-06 Daimler Benz Ag Servo-steering system for vehicles

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123964A (en) * 1972-12-18 1978-11-07 Langen & Co. Pressure control means for distribution of medium from a reservoir or storage vessel
US3954149A (en) * 1974-07-27 1976-05-04 Langen & Co. Hydraulic pressure fluid control system for controlling the displacements of a double-acting servo-motor
US4022110A (en) * 1974-12-21 1977-05-10 Langen & Co. Hydraulic pressure-regulating system
DE2707991A1 (de) * 1976-02-27 1977-09-01 Citroen Sa Mechanische betaetigungseinrichtung mit druckmittelunterstuetzung
US4179980A (en) * 1976-04-03 1979-12-25 Aisin Seiki Kabushiki Kaisha Hydraulic brake booster
US4273030A (en) * 1977-03-08 1981-06-16 Daimler-Benz Aktiengesellschaft Pressure relief valve for the working pressure of a servo-steering system
US4344284A (en) * 1979-02-02 1982-08-17 Zahnradfabrik Friedrichshafen, Ag. Hydraulic auxiliary power steering
US4385493A (en) * 1980-08-06 1983-05-31 Zahnradfabrik Friedrichshafen, Ag Hydraulically assisted steering device
US4438827A (en) * 1981-06-05 1984-03-27 Zahnradfabrik Friedrichshafen, Ag Servo steering, especially for motor vehicles
US4555975A (en) * 1981-06-05 1985-12-03 Zahnradfabrik Friedrichshafen, Ag. Hydraulic steering
US4590965A (en) * 1983-07-23 1986-05-27 Zahnradfabrik Friedrichshafen, Ag. Pressure agent control arrangement for auxiliary power steering mechanisms
US4594936A (en) * 1983-11-18 1986-06-17 Bendiberica S.A. Hydraulic distributor for a servomechanism with reaction on the input component
US4815551A (en) * 1984-10-05 1989-03-28 Zahnradfabrik Friedrichshafen, Ag Servosteering, especially for motor vehicles
US4784041A (en) * 1985-08-09 1988-11-15 Zahnradfabrik Friedrichshafen, Ag. Servosteering pressure control device
US4805714A (en) * 1986-01-16 1989-02-21 Toyoda Koki Kabushiki Kaisha Power steering system with hydraulic reaction
US5644967A (en) * 1994-06-28 1997-07-08 Mercedes-Benz Ag Servo valve arrangement
US5497692A (en) * 1995-03-02 1996-03-12 Caterpillar Inc. Electrohydraulic steering system
US6068077A (en) * 1995-12-12 2000-05-30 Zf Friedrichshafen Ag Power steering gear intended in particular for motor vehicles
US20160116073A1 (en) * 2013-07-05 2016-04-28 Robert Bosch Automotive Steering Gmbh Piston valve
US9732861B2 (en) * 2013-07-05 2017-08-15 Robert Bosch Automotive Steering Gmbh Piston valve

Also Published As

Publication number Publication date
FR2207052B1 (ja) 1975-03-21
DE2256072B2 (de) 1979-04-05
DE2256072A1 (de) 1974-06-06
FR2207052A1 (ja) 1974-06-14
DE2256072C3 (de) 1979-11-29
GB1448270A (en) 1976-09-02
JPS4980727A (ja) 1974-08-03
IT995987B (it) 1975-11-20

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